Cite

[Tintype of a young man with a moustache]

MLA

[Tintype of a Young Man with a Moustache]. 0AD. https://collections.library.yale.edu/catalog/2015301.

APA, 6th edition

[Tintype of a young man with a moustache]. (0 C.E.). https://collections.library.yale.edu/catalog/2015301.